Bone Pathology Database

Teaching Version

Text in Italics is general (instructional) information

Lateral Xray

AP of Pelvis

1 year afterwards the cyst was resolving

Note the lytic but well circumscribed lesion in the ischial tuberosity. It is expansile this is a clue to the diagnosis of Aneurysmal Bone cyst. The patient is too joung for expansile metastases such as thyroid or renal cell carcinoma.